| EGG Free Cake Box, Dartford Limited | Wholesale & retail | 2019 |
| EGJ Tyres and Hoses Limited | Wholesale & retail | 2025 |
| Egma Consulting Ltd | Professional & scientific | 2022 |
| Egogin Ltd | Health & social care | 2019 |
| Eholly Overseas Sales and Service Limited | Manufacturing | 2025 |
| EID Celebration Committee | Other services | 2011 |
| Eightysix London Limited | Professional & scientific | 2016 |
| Eimon's Kitchens Ltd | Construction | 2008 |
| Ejay Business Consultancy Limited | Wholesale & retail | 2021 |
| Ejaygold Investment Limited | Real estate | 2023 |
| EJC Property Solutions Ltd | Construction | 2026 |
| Ejjb Consulting Ltd | Information & communication | 2015 |
| EJW Transport Limited | Transport & logistics | 2021 |
| EK Group Ltd | Construction | 2025 |
| Ekitiba Limited | Hospitality | 2020 |
| Ekma Accountants Ltd | Professional & scientific | 2022 |
| Ekommerce Enterprises Limited | Wholesale & retail | 2022 |
| EL Conde Limited | Wholesale & retail | 2021 |
| EL Recreo Spanish Greenwich Ltd | Education | 2023 |
| El-Roifunmi Ltd | Real estate | 2024 |
| Elam Limited | Health & social care | 2009 |
| Elan Lift Services Limited | Construction | 2003 |
| Elan Lifts Limited | Construction | 2000 |
| Elco Property Group Ltd | Real estate | 2021 |
| Electra Ride Ltd | Wholesale & retail | 2024 |
| Electric City Solutions Limited | Construction | 2020 |
| Electric EYE London Limited | Information & communication | 2010 |
| Electric MX Holdings Limited | Arts & recreation | 2026 |
| Electrical Materials Ltd | Wholesale & retail | 2022 |
| Electrical Recycling Ltd | Construction | 2024 |
| Electricals 2 U Ltd | Wholesale & retail | 2026 |
| Electrocut Diamond Tools Limited | Manufacturing | 2002 |
| ELECTROHOME230V Ltd | Construction | 2025 |
| Electrosonic Limited | Manufacturing | 1964 |
| Electus Security Solutions Ltd | Administrative & support | 2025 |
| Elegance Services Limited | Administrative & support | 2017 |
| Elegant Mind Analytics Ltd | Information & communication | 2025 |
| Elegant Solutions (Software) Limited | Information & communication | 2012 |
| Eleganza Home Textile Limited | Wholesale & retail | 2023 |
| Elemental Interiors Ltd | Construction | 2025 |
| Elements Financial Solutions Limited | Professional & scientific | 2017 |
| Eletrack Limited | Construction | 2017 |
| Elevate FFM Ltd | Arts & recreation | 2021 |
| Elevate Financial Services Ltd | Professional & scientific | 2022 |
| Elevate IT Career Limited | Information & communication | 2024 |
| Elevate Vision Ltd | Wholesale & retail | 2024 |
| Elevating Safety Solutions Ltd | Professional & scientific | 2008 |
| Elevatopia Ltd | Education | 2025 |
| Elevator Inspections Ltd | Manufacturing | 2023 |
| Elevators (Sevenoaks) Ltd | Construction | 2014 |
| Elevators Ltd | Construction | 2002 |
| Elevatr Ltd | Professional & scientific | 2025 |
| Elex-Tech Ltd | Construction | 2014 |
| Elffar London Limited | Construction | 2019 |
| Elgood Industrial Flooring Limited | Manufacturing | 1989 |
| Eli's Catering Limited | Hospitality | 2019 |
| Eliana General Engineering Work Ltd | Construction | 2014 |
| Elibra Limited | Administrative & support | 2004 |
| Elijoe Ltd | Health & social care | 2015 |
| Elimonn Ride Ltd | Transport & logistics | 2025 |
| Elis Healthcare Limited | Health & social care | 2013 |
| Elite Artisan Build Ltd | Construction | 2024 |
| Elite Christmas Limited | Construction | 2017 |
| Elite Cloud Solutions Limited | Information & communication | 2010 |
| Elite Complete Build Ltd | Construction | 2016 |
| Elite Counselling and Coaching Limited | Health & social care | 2024 |
| Elite Driven Ltd | Transport & logistics | 2023 |
| Elite Electrical Contractor Limited | Construction | 2015 |
| Elite Four Ltd | Administrative & support | 2020 |
| Elite House Developments Ltd | Real estate | 2024 |
| Elite Logistics and Services Ltd | Transport & logistics | 2024 |
| Elite Office Cleaning Company Limited | Administrative & support | 1987 |
| Elite Pathways in Sport and Training Ltd | Education | 2016 |
| Elite Roofing Contractors Ltd | Construction | 2021 |
| Elite Roofing Systems Ltd | Construction | 2016 |
| Elite Site Security Ltd | Administrative & support | 2024 |
| Elite Submission Grappling Ltd | Education | 2021 |
| Elite Transport Management Ltd | Transport & logistics | 2025 |
| Elitebird Staffing Agency Ltd | Administrative & support | 2023 |
| Elitedrywallsolution Ltd | Construction | 2025 |
| Elivi Ltd | Public administration | 2022 |
| Eli’S Group Limited | Hospitality | 2024 |
| Elkor Ltd | Water & waste | 2018 |
| Ella's Housing Ltd | Real estate | 2022 |
| Ella-Rose Building Services (E.R.B.S) Ltd | Construction | 2019 |
| Ellis & Kesson Properties Ltd | Real estate | 2026 |
| Ellis Expands Ltd | Real estate | 2024 |
| Ellis Inc Limited | Construction | 2023 |
| Ellis.Corp Limited | Construction | 2019 |
| Ellmira Financial Limited | Financial services | 2021 |
| Ellora Care Limited | Health & social care | 2025 |
| Ellrem Investments Ltd | Real estate | 2026 |
| ELM LEA Enterprises Ltd | Professional & scientific | 2025 |
| Elma Property Services Ltd | Real estate | 2025 |
| Elrado Ltd | Wholesale & retail | 2016 |
| Elroi Scan Ltd | Health & social care | 2021 |
| Elsewhen Press Limited | Information & communication | 2020 |
| Elsfab Ltd | Other services | 2012 |
| Elshaddai Dreamy RC Ltd | Real estate | 2024 |
| Eltan Properties Limited | Extraterritorial | 2017 |